:root {
    --bg: #f4f6fb;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1f2933;
    --muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.app {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.app-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.app-shell {
    width: min(960px, 90%);
    margin: 0 auto;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-title {
    margin: 0;
    font-size: 1.75rem;
}

.app-nav {
    display: flex;
    gap: 1rem;
}

.app-nav a {
    color: var(--muted);
    font-weight: 600;
    text-decoration: none;
    padding-bottom: 2px;
}

.app-nav a[aria-current="page"] {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

.app-nav a:hover {
    color: var(--accent);
}

.app-main {
    width: min(960px, 90%);
    margin: 0 auto;
    padding: 2rem 0 3rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.panel-head {
    margin-bottom: 1.5rem;
}

.panel-head h2 {
    margin: 0 0 0.25rem;
}

.panel-head p {
    margin: 0;
    color: var(--muted);
}

.recipes-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recipe-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    background: linear-gradient(145deg, #ffffff, #f8fbff);
}

.recipe-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.recipe-preview {
    margin: 0 0 1rem;
    color: var(--muted);
}

.recipe-link,
.back-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.recipe-link:hover,
.back-link:hover {
    color: var(--accent-hover);
}

.status-message {
    margin: 0;
    color: var(--muted);
    font-style: italic;
}

.status-message.success {
    color: #15803d;
    font-style: normal;
}

.status-message.error {
    color: #b91c1c;
    font-style: normal;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--accent);
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button-link:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.button-link.secondary {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}

.button-link.secondary:hover {
    background: rgba(37, 99, 235, 0.08);
}

.recipe-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.recipe-body {
    margin-top: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    border: 1px dashed var(--border);
}

.recipe-body p {
    margin: 0 0 1rem;
}

.recipe-body ul {
    margin: 0 0 1rem 1.5rem;
    padding: 0;
}

.recipe-body li {
    margin-bottom: 0.5rem;
}

.recipe-body code {
    background: rgba(15, 23, 42, 0.08);
    padding: 0.1rem 0.35rem;
    border-radius: 6px;
    font-family: 'SFMono-Regular', Consolas, ui-monospace, 'Roboto Mono', monospace;
    font-size: 0.95rem;
}

.recipe-body a {
    color: var(--accent);
    text-decoration: underline;
}

.wake-lock-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.wake-lock-status {
    color: var(--muted);
    font-size: 0.95rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-top: 1rem;
}

form {
    width: min(600px, 90%);
    margin: 2rem auto;
    background: var(--card-bg);
    padding: 1.75rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

label {
    font-weight: 600;
}

input[type="text"],
textarea {
    padding: 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-size: 1rem;
    font-family: inherit;
}

textarea {
    min-height: 160px;
    resize: vertical;
}

button {
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

button:hover {
    background: var(--accent-hover);
}

button.secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

button.secondary:hover {
    background: rgba(37, 99, 235, 0.1);
}

@media (max-width: 640px) {
    .app-shell {
        flex-direction: column;
        align-items: flex-start;
    }

    .panel {
        padding: 1.25rem;
    }
}